From: arnd@arndb•de (Arnd Bergmann)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v3 00/10] Add PWM framework and device tree support.
Date: Wed, 22 Feb 2012 16:02:08 +0000 [thread overview]
Message-ID: <201202221602.09116.arnd@arndb.de> (raw)
In-Reply-To: <1329923841-32017-1-git-send-email-thierry.reding@avionic-design.de>
On Wednesday 22 February 2012, Thierry Reding wrote:
> This patch series adds very rudimentary device-tree support for PWM
> devices. With all of these patches applied (plus one board-specific
> patch that is not included), I'm able to control the backlight on the
> device I'm working on using the sysfs interface provided by the pwm-bl
> driver and the backlight class.
>
> This series is based on Sascha Hauer's series of patches[0] to add a
> generic PWM framework. The first patch in this series is taken from
> Sascha's branch, while the second patch enables each PWM chip to provide
> multiple PWM devices (the Blackfin and PXA drivers have been ported to
> the framework for reference). When this series is ready I think it would
> be best to merge patches 1 and 2. Currently a global namespace is still
> provided to keep backwards-compatibility with the legacy PWM API. In
> order to achieve this, the number of global PWM devices is limited to
> 1024. However, patch 2 introduces per-chip indexing of PWM devices in
> the core, so it should be easy to add an API to request a PWM device on
> a per-chip basis and get rid of the global namespace eventually. The
> device tree support code does not use the global namespace.
Hi Thierry,
I've just had a chance to look at your series and I think this looks
very good overall, great work!
I probably wouldn't bother merging patches 1 and 2 as you listed
in the TODO section, in order to keep the authorship of each
part obvious.
Arnd
next prev parent reply other threads:[~2012-02-22 16:02 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-22 15:17 [PATCH v3 00/10] Add PWM framework and device tree support Thierry Reding
2012-02-22 15:17 ` [PATCH v3 01/10] PWM: add pwm framework support Thierry Reding
2012-02-22 15:17 ` [PATCH v3 02/10] pwm: Allow chips to support multiple PWMs Thierry Reding
2012-02-22 16:34 ` Arnd Bergmann
2012-02-23 8:12 ` Thierry Reding
2012-02-23 14:07 ` Arnd Bergmann
2012-02-23 16:04 ` Thierry Reding
2012-03-03 19:32 ` Thierry Reding
2012-03-06 15:38 ` Arnd Bergmann
2012-03-06 19:17 ` Thierry Reding
2012-02-22 15:17 ` [PATCH v3 03/10] of: Add PWM support Thierry Reding
2012-02-22 16:15 ` Arnd Bergmann
2012-02-23 7:55 ` Thierry Reding
2012-02-23 14:03 ` Arnd Bergmann
2012-02-24 6:47 ` Thierry Reding
2012-02-24 16:58 ` Arnd Bergmann
2012-02-25 12:33 ` Sascha Hauer
2012-02-25 23:08 ` Ryan Mallon
2012-02-22 15:17 ` [PATCH v3 04/10] arm/tegra: Fix PWM clock programming Thierry Reding
2012-02-28 21:01 ` Stephen Warren
2012-03-03 22:47 ` Thierry Reding
2012-03-05 17:33 ` Stephen Warren
2012-02-22 15:17 ` [PATCH v3 05/10] arm/tegra: Provide clock for only one PWM controller Thierry Reding
2012-02-22 15:17 ` [PATCH v3 06/10] pwm: Add NVIDIA Tegra SoC support Thierry Reding
2012-02-23 1:47 ` Ryan Mallon
2012-02-23 8:14 ` Thierry Reding
2012-02-23 9:25 ` Ryan Mallon
2012-02-24 6:48 ` Thierry Reding
2012-02-28 21:14 ` Stephen Warren
2012-03-03 22:42 ` Thierry Reding
2012-03-05 3:39 ` Olof Johansson
2012-03-05 7:00 ` Thierry Reding
2012-02-22 15:17 ` [PATCH v3 07/10] arm/tegra: Add PWFM controller device tree probing Thierry Reding
2012-02-28 21:20 ` Stephen Warren
2012-03-03 22:54 ` Thierry Reding
2012-03-04 20:39 ` Arnd Bergmann
2012-03-05 17:51 ` Stephen Warren
2012-03-05 18:15 ` Thierry Reding
2012-03-05 18:39 ` Stephen Warren
2012-02-22 15:17 ` [PATCH v3 08/10] pwm: Add Blackfin support Thierry Reding
2012-02-22 15:17 ` [PATCH v3 09/10] pwm: Add PXA support Thierry Reding
2012-02-22 15:40 ` Arnd Bergmann
2012-02-23 6:10 ` Thierry Reding
2012-02-22 15:17 ` [PATCH v3 10/10] pwm-backlight: Add rudimentary device tree support Thierry Reding
2012-02-22 16:02 ` Arnd Bergmann [this message]
2012-02-23 7:29 ` [PATCH v3 00/10] Add PWM framework and " Thierry Reding
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